Geothermometry and Circulation Behavior of the Hot Springs in Yunlong County of Yunnan in Southwest China

Figure 1

Geological map of the Bijiang area and the location of sampling springs. (1) Upper Cretaceous, Nanxin group, purple sandstone clipping conglomerate, and mud; (2) lower Cretaceous, Jingxing group, and purple mudstone; (3) lower Cretaceous, Jingxing group, white sandstone clipping purple, and gray mudstone; (4) upper Jurassic, Bazhulu group, purple mudstone, and siltstone; (5) middle Jurassic, Huakaizuo group, gray-green and purple mudstone, and marls; (6) middle Jurassic, Huakaizuo group, and purple sandstone clipping mudstone; (7) upper Triassic, Maichujing group, gray sandstone, and black shale clipping coal; (8) upper Triassic, Sanhedong group, limestone, and brecciated limestone; (9) main E-verging normal fault or W-verging normal fault; (10) fault; (11) Bijiang River; (12) stratigraphic limit; (13) hot spring; (14) mountain peak with its elevation (m); (15) town and county; (16) latitude and longitude coordinates; (17) attitude of the strata.